科学与环境
Ancient DNA evidence narrows down when people first reached the Americas
来源: Phys.org - latest science and technology news stories · 发布于
One of the unresolved mysteries about the history of the Americas is when the first people arrived. Despite extensive debate centering on genetic, archaeological and environmental evidence, there is still no consensus or conclusive proof. Did they enter before, during or after th
One of the unresolved mysteries about the history of the Americas is when the first people arrived. Despite extensive debate centering on genetic, archaeological and environmental evidence, there is still no consensus or conclusive proof. Did they enter before, during or after the coldest period of the last ice age, known as the Last Glacial Maximum?
Evidence from recent analysis of ancient DNA is providing fresh clues.
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